import React from "react";
import { useNavigate } from 'react-router-dom'

export default function Header() {
    const navigate = useNavigate()

    function back() {
        navigate(-1)
    }

    function fowrard() {
        navigate(1)
    }

  return (
    <div className="col-xs-offset-2 col-xs-8">
      <div className="page-header">
        <h2>React Router Demo</h2>
        <button onClick={back}>后退</button>
        <button onClick={fowrard}>前进</button>
      </div>
    </div>
  );
}
